Good condition Samsung Galaxy Tab A. 10" screen. Minor dink on the right hand side but otherwise perfectly good.
Pickup Whangaparaoa, or post at your cost.
Just a clarification here, https://www.gsmarena.com/samsung_galaxy_tab_a_10_1_(2019)-9582.php
The SM-T510 is a 10 inch tablet. If your tablet is the 8 inch one from the same year, then perhaps your model is the SM-T290?
Maybe OP measured length 8.5" for 10" screen and not the diagonal.
Good spot GZers - my measurements were off and it's definitely an SM-510: remeasured diagonally and it's 10" ... updated title to reflect!